We present a method for recovering a temporally coherent, deforming triangle mesh with arbitrarily changing topology from an incoherent sequence of static closed surfaces. We solve this problem using the surface geometry alone, without any prior information like surface templates or velocity fields. Our system combines a proven strategy for triangle mesh improvement, a robust multi-resolution non-rigid registration routine, and a reliable technique for changing surface mesh topology. We also introduce a novel topological constraint enforcement algorithm to ensure that the output and input always have similar topology. We apply our technique to a series of diverse input data from video reconstructions, physics simulations, and artistic morphs. The structured output of our algorithm allows us to efficiently track information like colors and displacement maps, recover velocity information, and solve PDEs on the mesh as a post process.
ACM Transactions on Graphics
This work is supported by the SNF fellowship PBEZP2-134464. We would like to thank Xiaochen Hu for implementing mesh con- version tools, Duygu Ceylan for helping with the rendering, and Art Tevs for the human performance data comparison. We also thank Nils Thuerey and Christopher Batty for helpful discussions.
Bojsen-Hansen M, Li H, Wojtan CJ. Tracking surfaces with evolving topology. ACM Transactions on Graphics. 2012;31(4). doi:10.1145/2185520.2185549
Bojsen-Hansen, M., Li, H., & Wojtan, C. J. (2012). Tracking surfaces with evolving topology. ACM Transactions on Graphics, 31(4). https://doi.org/10.1145/2185520.2185549
Bojsen-Hansen, Morten, Hao Li, and Christopher J Wojtan. “Tracking Surfaces with Evolving Topology.” ACM Transactions on Graphics 31, no. 4 (2012). https://doi.org/10.1145/2185520.2185549.
M. Bojsen-Hansen, H. Li, and C. J. Wojtan, “Tracking surfaces with evolving topology,” ACM Transactions on Graphics, vol. 31, no. 4, 2012.
Bojsen-Hansen M, Li H, Wojtan CJ. 2012. Tracking surfaces with evolving topology. ACM Transactions on Graphics. 31(4), 53.
Bojsen-Hansen, Morten, et al. “Tracking Surfaces with Evolving Topology.” ACM Transactions on Graphics, vol. 31, no. 4, 53, ACM, 2012, doi:10.1145/2185520.2185549.
IST-2016-602-v1+1_topoReg.pdf 44.54 MB